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Finding the Fourth Proportional to 237.26, 355.32 and 163.94

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Solution

The fourth proportional to 237.26, 355.32 and 163.94 is: 245.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.26 : 355.32 = 163.94 : x
  2. Step 2: Convert to fraction form
    237.26/355.32 = 163.94/x
  3. Step 3: Cross multiply
    237.26x = 355.32 × 163.94
  4. Step 4: Simplify right side
    237.26x = 58,251.25
  5. Step 5: Solve for x
    x = 58,251.25/237.26
  6. Step 6: Final answer
    x = 245.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.